

person1 = {
    'name': '小张',
    'age': 18,
    'address': '北京是东城区'
}
person2 = {
    'name': '小李',
    'age': 17,
    'address': '上海市浦东新区'
}

def update_age(person):
    person['age'] += 1

grade2_student = [person1, person2]
print(grade2_student)

print("happy 新年")
update_age(person1)
update_age(person2)
print(grade2_student)